Electric Nail Drill 20000RPM Professional Nail Drills for Acrylic Gel Nails, Rechargeable Portable Nail File Manicure Pedicure Tools NOTE: 1. Check if the power bank is functioning properly ( confirm if the light flash when charging). 2. It is possible that the dust on the nails is blocking the pen hole. Please try cleaning it with a toothbrush and then try again. 3. It is possible poor contact between cable and power bank. 4. Due to the weak current protection function of the device, please wait for 10 minutes after fully charging before using this device. Thank you for your trust and understanding
